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| Commodity | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $2,601 | | $27,932 | $1,691 |
| Carbon electrodes, other than of a kind used for furnaces | | | $224 | |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | | $351 | | $531 |
| Total | $2,601 | $351 | $28,156 | $2,222 |
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